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TCP is connection-oriented, and a connection must be established between either side before sending data to the other. In TCP/IP protocol, TCP protocol provides reliable connection service, and the connection is initialized by three-way handshake. The purpose of the three-way handshake is to synchronize the serial numbers and acknowledgement numbers of both parties and exchange TCP window size information. The process of shaking hands can be represented by the following figure鬼灵精怪的小生（郝劭文饰）父亲娶了新妻子，小生因得罪了新妈妈而给父亲责骂，赌气离家出走。小生游荡中认识了校工达叔（吴孟达饰），多番纠缠之下终获达叔收留。达叔暗恋一名卖花的盲女（朱茵饰），假充有钱人天天向她买花送给她，心中希望能够帮她治好眼疾，却有心无力。　　“青春须早为，岂能长少年”，梁辰、陆景等人在各自的领域发光发热，用自己的专业精神去鼓舞和指引喜爱自己的人。用音乐表达“至善、至真、至美”的梁辰，致力于将好的音乐作品带给听众。热爱计算机与大数据研究的陆景，通过研究人类各种复杂的行为、心理信息等海量数据获得大数据学术界的高度认可。陆景用其扎实的专业素养，积极正面地影响着身边的同学们，为社会数据研究做出贡献。两个原本遥遥相望的陌生人因为大数据而相遇，在追梦的旅途中不断靠近信任彼此。该剧讲述了警方的卧底警探何莉惨遭暴力贩毒集团杀害。她的丈夫刑侦队长童帆气愤难当，一举击垮了贩毒集团，唯独杀害何莉的凶手“饿鸽”逃走，不知去向。童帆赴美学成归国，率领康苹，王雁鸣，庄凯，洪生等精兵强将组建了一支高科技刑侦队伍。虽然现代社会的犯罪手段不断花样翻新，但是魔高一尺，道高一丈。技侦组精英采取高科技侦查手段、法医鉴定及缜密推理相结合，出色地连续破获了诸多例如真假车祸案、放射物质杀人案、双胞胎被杀案、街舞高手被杀案等错综复杂的重特大案件。并且在正义与邪恶惊险激烈的较量中，终于追捕到“饿鸽”。该剧着重刻画了以童帆为首的技侦组精英们的团结和智慧。渲染了当代刑警无私、英勇地与恶势力做斗争的高贵品格。Take the website of "Learning Power" as an example, the "Red China" section is convenient for everyone to learn about Party history. It has eternal monuments, classic works, red memories, party history study and other columns. The column "Forever Monument" introduces the stories of heroes such as Li Dazhao, Cai Hesen, Liu Hulan, Ma Benzhai, Qiu Shaoyun and Deng Enming. The column "Learning Party History" answered the questions of why founding ceremony's salute fired 28 rounds, why the "Rice and Cotton War" took place in the early days of Shanghai's liberation, and why Mao Zedong affirmed Chen Duxiu's achievements at the Seventh National Congress of the Communist Party of China.你家子孙几代都没解决的问题，今日我一劳永逸解决了……当年刘邦因为贿赂匈奴阏氏，得知打开一个缺口，逃出白登山。《风骚律师》宣布续订第4季，长时间谈判后终于等来这消息了。根据该剧状况是不愁续订的，毕竟是AMC收视第三(次于《行尸走肉》《行尸之惧》)，但此前主创Vince Gilligan和Peter Gould与AMC就很多问题在谈判，有不确定因素。